import Vue from 'vue'
import Router from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Categories from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import GoodsList from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(Router)

const router = new Router({
  routes: [
    {
      path: '/',
      redirect: '/login'
    },
    {
      path: '/login',
      name: 'Login',
      component: Login,
    },
    {
      path: '/home',
      component: Home,
      redirect: '/welcome',
      children: [{
        path: '/welcome',
        component: Welcome,
      },
      {
        path: '/users',
        component: Users,
      },
      {
        path: '/rights',
        component: Rights,
      },
      {
        path: '/roles',
        component: Roles,
      },
      {
        path: '/categories',
        component: Categories,
      },
      {
        path: '/params',
        component: Params,
      },
      {
        path: '/goods',
        component: GoodsList
      },
      {
        path: '/goods/add',
        component: Add
      },
      {
        path: '/orders',
        component: Order
      },
      {
        path: '/reports',
        component: Report
      }]
    }
  ]
})

router.beforeEach((to, from, next) => {
  //to 将要访问的路径
  //from 代表从哪个路径跳转而来
  //next 是一个函数，表示放行
  //1.next() 放行   next('/login) 强制跳转
  if (to.path === '/login') return next()
  //获取token
  const tokenkStr = window.sessionStorage.getItem('token')
  if (!tokenkStr) return next('/login')
  return next()
})


export default router
